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Fabrication of Monolith-based Electrodes for Simultaneous Solid-phase Microextraction of Phenylurea and Sulfonylurea Herbicides Assisted by Electric Field by Wu, Jiangyi (author);Luo, Siyu (author);Huang, Xiaojia (author) is a scholarly article available to read on EtoBox.

What is Fabrication of Monolith-based Electrodes for Simultaneous Solid-phase Microextraction of Phenylurea and Sulfonylurea Herbicides Assisted by Electric Field about?

Efficient co-extraction of phenylurea and sulfonylurea herbicides is challenging due to their distinct difference in chemical properties. In this connection, two novel monolith-based electrodes were prepared and employed as adsorbents of electric field assisted solid-phase microextraction (EFA-SPME) for simultaneously capturing phenylurea and sulfonylurea herbicides. Poly (vinylimidazole-co-ethylene dimethacrylate) monolith and poly (methylacrylic acid co-ethylene dimethacrylate/divinylbenzene) monolith were fabricated on the surface of stainless steel wires and utilized as anode and cathode of EFA-SPME, respectively. Various fabrication conditions and extraction parameters affecting the co-capture performance were studied systematically. Results revealed that the implement of electric field in adsorption duration, phenylurea and sulfonylurea herbicides were captured in cathode and anode, respectively. At the same time, the co-extraction performance was improved, adsorption and eluting durations were shortened. Combining with HPLC analysis technique, sensitive and reliable method for simultaneous monitoring of trace phenylurea and sulfonylurea herbicides in various environmental wa

Author

Wu, Jiangyi (author);Luo, Siyu (author);Huang, Xiaojia (author)

Publisher

Elsevier BV

Published

2023

Language

EN